Herrera's Maturation Sets Stage for Upcoming Year

Perhaps no situation illustrated the maturation of Royals reliever Kelvin Herrera better than the sticky mess that he got himself into -- and out of -- last Sept. 29 in Cleveland.
It had been a long season for the Royals and for Herrera, who, on that Saturday night, was making the next-to-last of his team-high 76 appearances. A big workload for a rookie in a season full of big tests.